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CN-224211644-U - Raw material preheater for galvanization additive

CN224211644UCN 224211644 UCN224211644 UCN 224211644UCN-224211644-U

Abstract

The utility model relates to the field of heating of zinc plating additives, and discloses a zinc plating additive raw material preheater which comprises a heating tank, wherein a mixing component is arranged at the bottom of the heating tank, a feeding pipe is fixedly connected to the top of the heating tank, a heat conducting plate is fixedly connected to the inner wall of the heating tank, an electric heating rod is fixedly connected to the inner wall of the heating tank, a mounting ring is fixedly connected to the top of the electric heating rod, an annular pipeline is arranged outside the feeding pipe, a valve is fixedly connected to the inner wall of the annular pipeline through the pipeline, an air injection pipe is fixedly connected to the output end of the valve, an annular air bag is arranged at the top of the annular pipeline, a snap ring is fixedly connected to the inner surface of the annular air bag, and an embedded groove is formed in the outer wall of the feeding pipe. According to the utility model, oxidation and volatilization of raw materials are reduced through the nitrogen injection system, the annular air bag and the occluding ring seal the feeding pipe to prevent dust explosion, and the heating efficiency, the safety and the product quality are improved.

Inventors

  • YE JINDUI
  • LIU XISONG

Assignees

  • 宏正（福建）化学品有限公司

Dates

Publication Date
20260508
Application Date
20250731

Claims (10)

  1. 1. The galvanized additive raw material preheater comprises a heating tank (1), a mixing component (7) is arranged at the bottom of the heating tank (1), a feeding pipe (2) is fixedly connected to the top of the heating tank (1), a heat conducting plate (3) is fixedly connected to the inner wall of the heating tank (1), an electric heating rod (4) is fixedly connected to the inner wall of the heating tank (1), a mounting ring (5) is fixedly connected to the top of the electric heating rod (4), the galvanized additive raw material preheater is characterized in that an annular pipeline (6) is arranged at the outer part of the feeding pipe (2), a valve (9) is fixedly connected to the inner wall of the annular pipeline (6) through a pipeline, an air injection pipe (8) is fixedly connected to the output end of the valve (9), an annular air bag (10) is arranged at the top of the annular pipeline (6), an engagement ring (11) is fixedly connected to the inner surface of the annular air bag (10), an outer wall of the feeding pipe (2) is provided with an electric heating rod (4), an air pump (16) is fixedly connected to the inner wall of the annular pipeline (6) through a pipeline, an air pump (16) is fixedly connected to the inner wall of the annular pipeline (16) through a pipeline, an air inlet pipe (14) is fixedly connected to the same control valve (14) through an air inlet pipe (14), the outer wall fixedly connected with support frame (17) of inlet pipe (2), the outer wall fixedly connected with limit ring (18) of support frame (17), the surface of heating jar (1) is provided with exhaust assembly for with unnecessary nitrogen gas discharge heating jar (1).
  2. 2. The galvanized additive raw material preheater as set forth in claim 1, wherein the annular pipeline (6) is sleeved on the outer wall of the feed pipe (2), the gas injection pipe (8) penetrates through the feed pipe (2) and is fixedly connected with the inner wall of the feed pipe (2), and the top of the inner wall of the heating tank (1) is fixedly connected with the collecting hopper (28).
  3. 3. The zinc-plating additive raw material preheater as set forth in claim 1, wherein the outer surface of the annular air bag (10) is fixedly connected with the inner surface of the limiting ring (18), and the outer wall of the air pump (16) is fixedly connected with the back of the nitrogen generator (15).
  4. 4. The zinc-plating additive raw material preheater as set forth in claim 1, wherein the outer wall of the snap ring (11) is adapted to the inner wall of the embedded groove (12), and one end of the drainage tube (13) far away from the control valve (14) is fixedly connected with the inner wall of the annular air bag (10).
  5. 5. The zinc-plating additive raw material preheater as set forth in claim 1, wherein the exhaust assembly comprises an exhaust pipe (19), and the end of the exhaust pipe (19) is fixedly connected with a check valve (24) through a pipeline.
  6. 6. The zinc-plating additive raw material preheater as set forth in claim 5, wherein the exhaust pipe (19) penetrates the heat conducting plate (3) and is fixedly connected with the inner wall of the heat conducting plate (3), and the exhaust pipe (19) is configured as a rectangular pipe.
  7. 7. The galvanized additive raw material preheater as set forth in claim 6, wherein an inclined plane (23) is formed at the bottom of the inner wall of the exhaust pipe (19), a through groove (20) is formed at the top of the exhaust pipe (19), a mounting frame (21) is arranged in the through groove (20), and a filter screen (22) is fixedly connected to the inner wall of the mounting frame (21).
  8. 8. The zinc-plating additive raw material preheater as set forth in claim 7, wherein the inner wall of the mounting frame (21) is adapted to the outer wall of the through groove (20), and the inner wall of the mounting frame (21) is magnetically connected with the inner wall of the exhaust pipe (19) through a magnet.
  9. 9. The galvanized additive raw material preheater as set forth in claim 1, wherein a transmission pipe (25) is fixedly connected to the inner wall of the heating tank (1), a fixing sleeve (27) is rotatably connected to the end portion of the transmission pipe (25), a threaded sleeve (29) is screwed to the inner wall of the fixing sleeve (27), and a telescopic pipe (26) is rotatably connected to the end portion of the threaded sleeve (29).
  10. 10. The zinc-plating additive raw material preheater as set forth in claim 9, wherein one end of the telescopic tube (26) far away from the threaded sleeve (29) is fixedly connected with the end of the one-way valve (24) through a hard tube, and the transmission tube (25) penetrates through the heat-conducting plate (3) and is fixedly connected with the inner wall of the heat-conducting plate (3).

Description

Raw material preheater for galvanization additive Technical Field The utility model relates to the field of heating of zinc plating additives, in particular to a zinc plating additive raw material preheater. Background The zinc plating additive is a chemical auxiliary agent used in the zinc plating process, and has the main functions of improving the quality of a plating layer, enabling the plating layer to be brighter, finer and more uniform, and improving the dispersion capacity, the deep plating capacity and the stability of plating solution. According to different galvanization systems, the additives can be classified into acidic galvanization, alkaline cyanide-free zincate galvanization, chloride galvanization and the like, heating is a necessary pretreatment step before the galvanization additives are used, and many additives are low in solubility at normal temperature and easy to separate out or layer, and can be fully dissolved and uniformly dispersed by heating so as to avoid spots or roughness of a plating layer. Through retrieval, chinese patent publication No. CN218840509U discloses a galvanized additive raw material preheating mechanism, through jolt vibration to raw materials, the raw materials are prevented from piling up, the raw materials are uniformly heated, the heating efficiency is improved, the working time is saved, and the preheating quality of the raw materials is ensured. In the above technical scheme, the heating effect of the raw materials is ensured by jolting the raw materials, but the raw materials fly in the feeding stage and jolting stage, so that the explosion risk is easily caused, the heating safety and stability are reduced, and the galvanized additive raw material preheater is provided for solving the problems. Disclosure of utility model In order to make up for the defects, the utility model provides a zinc-plating additive raw material preheater, which aims to solve the problem that the zinc-plating additive raw material preheater in the prior art avoids dust flying and explosion risks caused in the feeding or heating process. In order to achieve the aim, the galvanized additive raw material preheater comprises a heating tank, wherein a mixing component is arranged at the bottom of the heating tank, a feeding pipe is fixedly connected to the top of the heating tank, a heat conducting plate is fixedly connected to the inner wall of the heating tank, an electric heating rod is fixedly connected to the inner wall of the heating tank, a mounting ring is fixedly connected to the top of the electric heating rod, an annular pipeline is arranged outside the feeding pipe, a valve is fixedly connected to the inner wall of the annular pipeline through a pipeline, an air injection pipe is fixedly connected to the output end of the valve, an annular air bag is arranged at the top of the annular pipeline, a snap ring is fixedly connected to the inner surface of the annular air bag, an embedded groove is formed in the outer wall of the feeding pipe, an air pump is fixedly connected to the inner wall of the annular pipeline through a pipeline, a nitrogen generator is fixedly connected to the input end of the air pump through a pipeline, a control valve is fixedly connected to the inner wall of the annular pipeline, a support frame is fixedly connected to the output end of the control valve, an outer wall of the feeding pipe is fixedly connected to the support frame, an annular air bag is fixedly connected to the outer wall of the support frame, an annular air bag is fixedly connected to the exhaust pipe, and the exhaust pipe is fixedly connected to the exhaust pipe is provided with a drainage pipe, and the surface of the heating component is used for exhausting excess nitrogen. As a further description of the above technical solution: The annular pipeline is sleeved on the outer wall of the feeding pipe, the gas injection pipe penetrates through the feeding pipe and is fixedly connected with the inner wall of the feeding pipe, and the top of the inner wall of the heating tank is fixedly connected with a collecting hopper. As a further description of the above technical solution: The outer surface of the annular air bag is fixedly connected with the inner surface of the limiting ring, and the outer wall of the air pump is fixedly connected with the back of the nitrogen generator. As a further description of the above technical solution: The outer wall of the occluding ring is matched with the inner wall of the embedded groove, and one end of the drainage tube, which is far away from the control valve, is fixedly connected with the inner wall of the annular air bag. As a further description of the above technical solution: the exhaust assembly comprises an exhaust pipe, and the end part of the exhaust pipe is fixedly connected with a one-way valve through a pipeline. As a further description of the above technical solution: The exhaust pipe penetrates through the heat conducting plate